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December Weather in Terras de Bouro, Portugal

Last updated: August 27, 2025

In Terras de Bouro, Portugal, the average temperature in December hovers around 8°C (47°F), with a minimum dipping to -2°C (29°F) and a maximum soaring to 18°C (64°F). Be prepared for 299 mm (11.8 in) of rainfall over approximately 17 days, contributing to an average humidity level of 87%.

December Temperature in Terras de Bouro

In December in Terras de Bouro, the average temperature is 8°C (47°F). The maximum can reach 18°C (64°F), and the minimum can be as low as -2°C (29°F). Travelers should prepare for a mix of cool and mild weather during this time.

December Weather in Terras de Bouro: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Terras de Bouro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Terras de Bouro, December typically has an average temperature of 8°C (47°F), with highs reaching up to 18°C (64°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec434749525962676764574946
Data source: Temperature data for Terras de Bouro generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Terras de Bouro

In Terras de Bouro in December, the precipitation amount is 299 mm (11.8 in) distributed over 17 days.

December Precipitation Trends in Terras de Bouro

The chart displays monthly precipitation patterns in Terras de Bouro, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Terras de Bouro, December typically receives around 299 mm (11.8 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec15523021117212377363966173232299
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Terras de Bouro

In Terras de Bouro in December, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

December Average Humidity in Terras de Bouro

This chart illustrates the average monthly humidity levels in Terras de Bouro, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Terras de Bouro is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Terras de Bouro

In Terras de Bouro in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Terras de Bouro, you can visit Hourly UV Index in Terras de Bouro.

Maximum UV Index Levels in Terras de Bouro for December

The chart shows the monthly maximum UV Index (UVI) for Terras de Bouro in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Terras de Bouro typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098642
Data source: Terras de Bouro December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Terras de Bouro Compares to Other Months

Weather in Terras de Bouro varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Terras de Bouro, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Terras de Bouro, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)155 mm (6.1 inches)87%low
February Weather8°C (47°F)230 mm (9.1 inches)81%moderate
March Weather9°C (49°F)211 mm (8.3 inches)78%high
April Weather11°C (53°F)172 mm (6.8 inches)79%very high
May Weather15°C (59°F)123 mm (4.8 inches)78%very high
June Weather17°C (62°F)77 mm (3.0 inches)71%extreme
July Weather19°C (67°F)36 mm (1.4 inches)63%very high
August Weather20°C (67°F)39 mm (1.5 inches)64%very high
September Weather18°C (64°F)66 mm (2.6 inches)71%very high
October Weather14°C (57°F)173 mm (6.8 inches)79%high
November Weather9°C (49°F)232 mm (9.1 inches)86%moderate
December Weather8°C (47°F)299 mm (11.8 inches)87%low

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